答案是：they are thinking about going on vacation
consider 后面只能跟动名词 ，比如：why not consider visiting Paris ?干嘛不考虑去参观巴黎呢？
~手工翻译，尊重劳动，欢迎提问，感谢采纳！~
答案是：they are thinking about going on vacation
consider 后面只能跟动名词 ，比如：why not consider visiting Paris ?干嘛不考虑去参观巴黎呢？
~手工翻译，尊重劳动，欢迎提问，感谢采纳！~